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<div class="title">null_mutex.h</div>  </div>
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<a href="null__mutex_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// Copyright(c) 2015 Gabi Melman.</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// Distributed under the MIT License (http://opensource.org/licenses/MIT)</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;atomic&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// null, no cost dummy &quot;mutex&quot; and dummy &quot;atomic&quot; int</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacespdlog.html">spdlog</a> {</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="keyword">namespace </span>details {</div><div class="line"><a name="l00013"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__mutex.html">   13</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structspdlog_1_1details_1_1null__mutex.html">null_mutex</a></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;{</div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__mutex.html#acaccd5741a4d60756a2c23018f670b9a">   15</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="structspdlog_1_1details_1_1null__mutex.html#acaccd5741a4d60756a2c23018f670b9a">lock</a>() {}</div><div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__mutex.html#acbc27862ec43b4b0e9c8f5197174f95f">   16</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="structspdlog_1_1details_1_1null__mutex.html#acbc27862ec43b4b0e9c8f5197174f95f">unlock</a>() {}</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__mutex.html#a1e367b1adaa6305edbe163c4d2021c53">   17</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structspdlog_1_1details_1_1null__mutex.html#a1e367b1adaa6305edbe163c4d2021c53">try_lock</a>()</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    {</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    }</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;};</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__atomic__int.html">   23</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html">null_atomic_int</a></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;{</div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__atomic__int.html#ab433069a53cdd1402dc7b0b942d7095f">   25</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html#ab433069a53cdd1402dc7b0b942d7095f">value</a>;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html">null_atomic_int</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__atomic__int.html#aa9856518fa8bc88f466b2b9c17bff1b9">   28</a></span>&#160;    <span class="keyword">explicit</span> <a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html#aa9856518fa8bc88f466b2b9c17bff1b9">null_atomic_int</a>(<span class="keywordtype">int</span> val)</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        : value(val)</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    {</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    }</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__atomic__int.html#a9ddf324260ae269cf124e6158a6a4188">   33</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html#a9ddf324260ae269cf124e6158a6a4188">load</a>(std::memory_order)<span class="keyword"> const</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">    </span>{</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;        <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    }</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structspdlog_1_1details_1_1null__atomic__int.html#a75c74956220ca5cc82a4eedcd9aa854f">   38</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="structspdlog_1_1details_1_1null__atomic__int.html#a75c74956220ca5cc82a4eedcd9aa854f">store</a>(<span class="keywordtype">int</span> val)</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    {</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        value = val;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    }</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;};</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;} <span class="comment">// namespace details</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;} <span class="comment">// namespace spdlog</span></div><div class="ttc" id="structspdlog_1_1details_1_1null__atomic__int_html_a9ddf324260ae269cf124e6158a6a4188"><div class="ttname"><a href="structspdlog_1_1details_1_1null__atomic__int.html#a9ddf324260ae269cf124e6158a6a4188">spdlog::details::null_atomic_int::load</a></div><div class="ttdeci">int load(std::memory_order) const </div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00033">null_mutex.h:33</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__atomic__int_html_aa9856518fa8bc88f466b2b9c17bff1b9"><div class="ttname"><a href="structspdlog_1_1details_1_1null__atomic__int.html#aa9856518fa8bc88f466b2b9c17bff1b9">spdlog::details::null_atomic_int::null_atomic_int</a></div><div class="ttdeci">null_atomic_int(int val)</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00028">null_mutex.h:28</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__mutex_html_a1e367b1adaa6305edbe163c4d2021c53"><div class="ttname"><a href="structspdlog_1_1details_1_1null__mutex.html#a1e367b1adaa6305edbe163c4d2021c53">spdlog::details::null_mutex::try_lock</a></div><div class="ttdeci">bool try_lock()</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00017">null_mutex.h:17</a></div></div>
<div class="ttc" id="namespacespdlog_html"><div class="ttname"><a href="namespacespdlog.html">spdlog</a></div><div class="ttdef"><b>Definition:</b> <a href="async_8h_source.html#l00027">async.h:27</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__atomic__int_html"><div class="ttname"><a href="structspdlog_1_1details_1_1null__atomic__int.html">spdlog::details::null_atomic_int</a></div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00023">null_mutex.h:23</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__atomic__int_html_ab433069a53cdd1402dc7b0b942d7095f"><div class="ttname"><a href="structspdlog_1_1details_1_1null__atomic__int.html#ab433069a53cdd1402dc7b0b942d7095f">spdlog::details::null_atomic_int::value</a></div><div class="ttdeci">int value</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00025">null_mutex.h:25</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__atomic__int_html_a75c74956220ca5cc82a4eedcd9aa854f"><div class="ttname"><a href="structspdlog_1_1details_1_1null__atomic__int.html#a75c74956220ca5cc82a4eedcd9aa854f">spdlog::details::null_atomic_int::store</a></div><div class="ttdeci">void store(int val)</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00038">null_mutex.h:38</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__mutex_html"><div class="ttname"><a href="structspdlog_1_1details_1_1null__mutex.html">spdlog::details::null_mutex</a></div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00013">null_mutex.h:13</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__mutex_html_acaccd5741a4d60756a2c23018f670b9a"><div class="ttname"><a href="structspdlog_1_1details_1_1null__mutex.html#acaccd5741a4d60756a2c23018f670b9a">spdlog::details::null_mutex::lock</a></div><div class="ttdeci">void lock()</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00015">null_mutex.h:15</a></div></div>
<div class="ttc" id="structspdlog_1_1details_1_1null__mutex_html_acbc27862ec43b4b0e9c8f5197174f95f"><div class="ttname"><a href="structspdlog_1_1details_1_1null__mutex.html#acbc27862ec43b4b0e9c8f5197174f95f">spdlog::details::null_mutex::unlock</a></div><div class="ttdeci">void unlock()</div><div class="ttdef"><b>Definition:</b> <a href="null__mutex_8h_source.html#l00016">null_mutex.h:16</a></div></div>
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